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<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
      *{
          margin:0;
          padding:0;
      }
      ul{
          list-style: none;
      }
      ul li {
          float: left;
      }
      ul li a {
          float: left;
          width: 80px;
          height: 50px;
          background-color: palevioletred;
          text-decoration: none;
          text-align: center;
          line-height: 50px;
          color: white;
          font-size: 16px;
      }
      ul li a:hover{
          background-color: green;
      }
    </style>
</head>
<body>
    <ul>
        <li><a href="#"">新闻1</a></li> 
        <li><a href="#">新闻2</a></li> 
        <li><a href="#">新闻3</a></li> 
        <li><a href="#">新闻4</a></li> 
        <li><a href="#">新闻5</a></li> 
        <li><a href="#">新闻6</a></li> 
        <li><a href="#">新闻7</a></li> 
        <li><a href="#">新闻8</a></li> 
    </ul>
</body>
</html>